Cisco ISE 2.1 downgrade

[ivan.martin]

Hi my name is Ivan:

I have an ISE 2.1 in production.

I have a question: What kind of features I will lost in my ISE, if I do a downgrade to versión 1.4?

Will I lose the advanced license installed in the versión 1.4?

Is posible to do this downgrade?

What things Do I need to do this downgrade?

Regards

[Gagandeep Singh · Accepted solution]

For any downgrade in ISE, need to reimage to that version. If you have config backup of downgraded version that you can restore it.

Rest Licensing functionality remains same on both ISE 1.4 and 2.1.

However, licensing got changed from ISE 1.3 onwards where Apex license came into instead of Advanced.

http://www.cisco.com/c/en/us/td/docs/security/ise/1-4/admin_guide/b_ise_admin_guide_14/b_ise_admin_guide_14_chapter_0111.html

http://www.cisco.com/c/en/us/td/docs/security/ise/1-2/user_guide/ise_user_guide/ise_man_license.html

Regards

Gagan

ps: rate if it helps!!!!